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C.cpp
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C.cpp
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#include<bits/stdc++.h>
#include<string>
using namespace std;
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL)
long long a[200005],b[200005];
int main()
{
fastio;
long long t,n,i,p;
cin>>t;
while(t--)
{
p=0;
cin>>n;
for(i=0;i<n;i++)
cin>>a[i];
for(i=0;i<n;i++)
cin>>b[i];
for(i=0;i<n;i++)
{
if(a[i]>b[i])
{
p=1;
break;
}
}
if(p==1)
{
cout<<"NO"<<"\n";
continue;
}
for(i=0;i<n;i++)
{
if(b[(i+1)%n]<b[i]-1 && b[i]!=a[i])
{
p=1;
break;
}
}
if(p==1)
cout<<"NO"<<"\n";
else
cout<<"YES"<<"\n";
}
return 0;
}